Nagaland Home Minister Imkong L Imchen was today detained near Wokha district for allegedly carrying a cache of arms and ammunition and Rs 1.10 crore in cash in a vehicle, official sources said.

Imchen was going to his constituency Koridanga in Mokokchung district from Kohima when Assam Rifles personnel conducting search of vehicles near Wokha district found the arms and ammunition, liquor and cash, sources said.